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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // underfind
        // var x;
        // alert(x)
        // 字符
        var str1 ="hello word";
        var str2 ="hello word";
        console.log(str1);
        console.log(str2);
        // var sta3 ="hello word";
        var str4 ='易烊千玺说："雷环荥我的女人"';
        console.log(str4);
        var str = "java";
        // JS中先运算等号右边的语句
        str =str + "script"; //字符串串+号是连接的意思 JavaScript
        console.log(str);
        </script>
</body>


</html>